Folding knife



FIG. 1 is a perspective view of a folding knife, showing my new design, wherein the two blades are in a retracted position;

FIG. 2 is a top plan view of FIG. 1;

FIG. 3 is a bottom plan view of FIG. 1;

FIG. 4 is a left side elevation view of FIG. 1;

FIG. 5 is a right side elevation view of FIG. 1;

FIG. 6 is a rear elevation view of FIG. 1;

FIG. 7 is a front elevation view of FIG. 1;

FIG. 8 is a perspective view thereof wherein the two blades are in extended positions;

FIG. 9 is a top plan view of FIG. 8; and,

FIG. 10 is a front elevational view of FIG. 8.

The knife blade that is shown in broken lines forms no part of the claimed design. 

CLAIM We claim the ornamental design for a folding knife, as shown and described. 